Power with work done Worksheet Power with Work Done Worksheet Power is the rate of doing work or rate of energy transfer. Power is measured in watts. A powerful machine quickly moves a lot of energy in a short time. Print Equation flash card Power with Work Done Worksheet Practice working out the Power with Work Done in this worksheet. Answers below. Click to reveal answers Question Answer 1 20W 2 200W 3 20W 4 2secs 5 4secs 6 2000J 7 5000J 8 50W Need more practice? Click here to learn more.